White lead is

A. a basic salt

B. an acid salt

C. a double salt

D. a normal salt

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  1. Iron is rendered passive by
  2. In the common soda-acid fire extinguisher, the fire is put out by
  3. Solid carbon dioxide (Dry ice) is also known as
  4. Gold dissolves in aqua regia due to the formation of
  5. A metal which exhibits allotropy is
  6. The pH or pure water is nearly 7.0 It will increase on the addition or
  7. The raw materials required for the manufacture of glass are
  8. Washing soda is
  9. Chloroform used as anaesthetic should be preserved In the dark in tightly stoppered bottles because…
  10. The compounds produced by plants in the process of photosynthesis are
  11. The raw materials used in the manufacture of cement are
  12. The scientist who synthesised the first organic compound (urea) in the laboratory was
  13. Rooms in places infected by plague are disinfected using
  14. Which one of the following is used in dry cleaning of garments?
  15. The scientist associated with the discovery of the nucleus was
  16. An example of stimulant fertilizer is
  17. Invar, used for making pendulums is an alloy of steel with
  18. Rusting of iron cannot be prevented by
  19. An acid which is used as a preservative for pickles is
  20. Which or the following gases is soluble in water and Is collected by the downward displacement or air?
  21. Which among the following is a metalloid?
  22. Glass is a ______ mixture of metallic ______.
  23. Burglar proof safes are made of
  24. Heated saw dust catches fire when a drop of concentrated nitric acid is added to it. This is due to
  25. In addition to nitric acid, another acid which may render iron passive is
  26. Beri-beri is caused by deficiency of Vitamin
  27. During fermentation, the by-product is
  28. Which of the following statements regarding natural radioactivity is true?
  29. Which of the following is not a chemical change?
  30. Dust particles in the air of large industrial cities are removed by